Testing is no longer mandatory on the last day of class. Schedule PH (Form 1120) (1960). B. ACI Concrete. C. Section 014510 TESTING LABORATORY SERVICE. Portion of Section 2102 . Clearly the pipe needs to function as a conduit, as the whole idea of a pipe is to move liquid in a controlled manner and direction. = 12 lifts 3) 12 lifts 1 lift (skip first lift) = 11 lifts 4) 11lifts 4 (test every fourth compacted lift) = 2.75, round up to 3 tests in bottom 4 ft. of backfill Top 5 ft. of backfill x 3 lifts/ft. LD Instructional and Informational Memoranda. Similarly, VDOT will recognize NICET Construction Materials Testing Level II Certification in Concrete. VDOT: Soils and Aggregate Compaction. OPEN CHANNELS 6 Index inlet protection excavated drop inlet protection (Temporary) 6.50.1 HARDWARE CLOTH AND GRAVEL INLET PROTECTION Block and gravel inlet Protection (Temporary) sod drop inlet protection ROCK DOUGHNUT, SECTION 32: SANITARY SEWER INSTALLATION 32-01 SCOPE. JnqYj A"@. hbbd``b`$BAD`LZ H0j( a2H-q u\?#v#_ SECTION LS 2530 SANITARY SEWERS. pipe stiffness 65 psi) 6) An end wall for the protection of the outlet pipe. As a reminder, all certification courses are available either online or through a self-study option at the respective community colleges. What term describes that the particles in a mixture are sized so that they fill most of the voids and there is very little space in between soil or stone particles? Unsuitable foundations must be stabilized at the engineer s direction. The compaction equipment will ride on the native soil and not allow for proper consolidation of backfill. SECTION 9. Furnish and install culvert pipe, entrance pipe, and storm sewer pipe. Unsuitable or unstable foundations may be undercut and replaced with a suitable bedding material, placed in 6 lifts. Once a soil or aggregate mixture has been placed in a layer on the embankment, the contractor can use various types of compaction equipment to densify the soil to the desired level of compaction. endstream endobj 283 0 obj <> endobj 284 0 obj <> endobj 285 0 obj <>stream 7 0 obj This item shall consist of the construction of both sanitary and storm sewer precast concrete manholes in accordance with, Specification Guidelines: Allan Block Modular Retaining Wall Systems The following specifications provide Allan Block Corporation's typical requirements and recommendations. suzanna_gevorgyan. + (12 in. 4 in.) 0 If the inspection is conducted by video: The video camera must have fully articulated lenses (360 degree inspection). From this we can highlight the following requirements: Visual/ Video Inspection is required on: All Storm Sewer Pipes (100%) Selected Number of Pipe Culverts (>10%) 2016v1.0 Chapter 4 15, 16 Must be done with VDOT Rep Present Conducted no sooner than 30 days after completion of Installation and placement of final cover (except pavement). If the inspection is to be conducted with a video camera, the video camera shall have fully articulating lenses that will provide a 360 degree inspection of the pipe/culvert, including each joint and any deficient areas of the pipe/culvert, as well as a means to measure deformations/deflections of the pipe (items such as a laser range finder or other appropriate device for taking such measurements as specified herein and approved by the Engineer). Storm drainage piping, fittings, and accessories at proposed station areas and locations other than under and immediately adjacent, Beacon Hill Sewer District Standard Specifications Residential Gravity Side Sewer Including Design Criteria and Standard Construction Drawings Residential Gravity Side Sewer Design Criteria 1. Prepared by Risi Stone Systems Used by permission. It is not appropriate to leave a bench of native soil alongside the pipe during construction. Dense graded aggregates are used in pavement to give the structure more strength. 57 stone be used? For written and proficiency exams, contact the community colleges to schedule either an in-person or remote exam. VECAT,through Germanna Community College (GCC), is hosting the following courses, which are now available either online or in a face to face format: For more information on courses and registration click here or contact Judith Calvert, 540-937-6757. The original Former is a vacuum formed light gauge plastic mold, The contractor shall moist-cure the completed Lime Treated Subbase for a minimum of days before allowing any traffic on the compacted surface. Manhole, Frame, and Cover Installation (includes Drop Manhole) Additional Manhole Depth. 0 vdot soils and aggregate certification <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 11 0 R 12 0 R 21 0 R 25 0 R 31 0 R 32 0 R 33 0 R 34 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 60 0 R 61 0 R 62 0 R 63 0 R 64 0 R 65 0 R 66 0 R 67 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> ]1YW'; q=A D0Yf BD0A8 Dh s @!2au28!w)#Nb=` L *w @y7![RYT6 Ke`riO05 ~z Soils & Aggregate CCWA $ 350.00 $ 250.00 Handson proficiency will be scheduled upon . Other sets by this creator. SECTION 02612 NONREINFORCED CONCRETE SEWER PIPE, Division 2 Section 32 14 13.19 Section 02795. Road and Bridge Standards. Construction loads often exceed design loads. (804) 523-2292. help@ccwa.vccs.edu. 1103 POINT REPAIRS AND OBSTRUCTION REMOVALS 1103.1 DESCRIPTION: 1. x 12 in./ft. Community College Workforce Alliance | The Mission of CCWA is to meet . Section Procedures) When lift holes are provided in concrete pipe or precast box culverts, the Contractor shall install a lift hole plug furnished by the manufacturer. 4 to 3/4 in. Trench excavation, backfill, and compaction; Section 02250. Soil Compaction Handbook ff Soil Compaction Soil compaction is defined as the method of mechanically increasing the density of soil. Copyright 2023, VDOT. Trenching, Backfilling and Compacting: 02223, DRAINAGE MATS For Vertical: Flow 15-P For Horizontal: Flow 18-H, City of West Linn Public Works Standard Construction Specifications. Please click on the course title to see the full course description. %PDF-1.4 8) A 36 inch diameter pipe, 290 feet long, is placed on a project as a drainage culvert. If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. 15) What end of the pipe system do you start installation? Bell and Spigot: A pipe with a flared bell has the outside diameter of the bell larger than the outside diameter of the pipe. 2. Drawings and General Provisions of Contract, including General and Special Conditions and other Division 1 Specification Sections, CHAPTER 9 SEWER / STORM DRAIN / IRRIGATION LINES SECTION 9.01 GENERAL This section covers the requirements for piping materials and installation of Lehi City sewer, storm drainage and irrigation collection. There is still an opportunity to test on the last day of class; however there is . Concrete Field - Current ACI must be submitted to MaterialsCertification@vdot.virginia.gov ; Soils and Aggregate Compaction - Physical demonstration of proficiency - scheduled by CCWA **New **Central Mix Aggregate Plant - Physical demonstration of proficiency - scheduled by CCWA **New** To learn about CHANGES up to 2018, please review the . STORM DRAIN DESIGN AND CONSTRUCTION STANDARDS & SPECIFICATIONS 400 SERIES. hYoF#4rPzL@]Gb)3d@pa@sc/IK^0@Qq. VDOT Soils and Aggregate Compaction: Chapter 3. bc the dense gradation provides more strength by filling voids. This prevents disruption of the backfill envelope when removing the shoring or trench box. Describe recommended installation procedures 4. Pipe should be stored in an out of the way location where it will not be damaged. The mandrel shall be pulled through the pipe or culvert by hand with a rope or cable. Trench widths may be varied, based on the competency of the in situ soil, backfill materials, compaction levels and loads. True or false: Open graded aggregates are used in pavement to give the structure more strength. SECTION 02150 REMOVAL OR ABANDONMENT OF EXISTING UTILITIES AND UNDERGROUND STRUCTURES. Structure Earthwork: 02200. 200 sieve (75 micrometers). Confined O Ring: The first rubber gasket joint design established by the industry. If the soils is 100 percent saturated and has low MC. Post installation inspections shall be conducted no sooner than 30 days after completion of installation and placement of final cover (except for pavement structure). Cracks shall be digitally scanned to allow for accurate measurement. Table of Contents 1. VDOT Materials Certification Schools. 309 0 obj <>/Filter/FlateDecode/ID[<8C7926BE3CE0893EFFE3D4D04181CA9C><5F163F4C9BEAEE4B999AF08BC3EDB7FD>]/Index[296 27]/Info 295 0 R/Length 74/Prev 443524/Root 297 0 R/Size 323/Type/XRef/W[1 2 1]>>stream Trenching should be completed in existing soils with sidewalls reasonably vertical to the top of the pipe. (500 grams) of soil. No. Structure Materials C. Installation D. Inlets and Outlets 08030 INSPECTIONS AND TESTING. (don t test 1st compacted lift) = 104 in. Silts and clays are made of particles that are smaller than which sieve? In construction, this is a significant part of the building process. What is the minimum number of density tests that should be run on the backfill material? 3) 104 in. In the top 5 feet; perform one test every other lift around the perimeter and continue to the top of the structure. . 11 terms. AASHTO T99 The Moisture-Density Relations of Soils using a 5.5-pound Rammer and a 12-inch drop. If you are currently participating in VDOT's Materials Certification Schools, you can access your Materials CertificationReports via the VDOT University Virtual Campus: VDOT University Virtual Campus Users connect at: https://VirtualCampus.VDOT.Virginia.gov . x]mo8^AXIQ/Ivzvw8NjL{bs(JIeYy!E'b~t_,NO?Ob]/yI(24z\|D/__8yC2|A5ID Q^G{q}I4w4/.jYYL%o#'? All of the MCS Certifications arevalid for five years and must be retaken every five years to maintain the certification. There are many types of compaction equipment available. A. Construct subdrains, subdrain cleanouts and outlets, and footing drain collectors. 'i$%qyI4[hmrZF 4Obz:;q"ZIE0~^I!)s6E@DCVj'1ey(IL#"`L.>G'@>{7&l0. Repair of service laterals located, Storm Sewer Trenchless Upgrade Alternatives and Recommendations Background Approximately 1,930 feet of the 40-inch and 42-inch CMP storm sewer pipe from manhole M22 to manhole M12 will be evaluated for, SECTION 32 14 13.19 PERMEABLE INTERLOCKING CONCRETE PAVEMENT (1995 MasterFormat Section 02795) Note: This guide specification for U.S. applications describes construction of permeable interlocking concrete, REINFORCED CONCRETE PIPE PRE INSTALLATION INSPECTION & REPAIR MANUAL Kentucky Transportation Cabinet Kentucky Department of Highways Division of Materials 1227 Wilkinson Boulevard Frankfort, KY 40601 (502), Design Guide Basis of Design This section applies to the design and installation of earthwork and backfill. Rubber gaskets may be used when the joint slope is five degrees or less, however it is usually limited to mastic or butyl sealants. Soils will not need to obtain a VDOT Soils and Aggregate Compaction Certification. SCOPE. 2016v1.0 Chapter 4 2, 3 Structural System Structural System Figure 4.2a: Reinforced Concrete Figure 4.2b: Flexible Pipe Culverts are generally designed for the loads they must carry after construction is completed. CADD Manual. To prevent sloping soils from becoming. Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. Place sample in container and weigh. <> False. In a saturated soil, the voids are entirely filled with water. endobj %%EOF <>/Metadata 1689 0 R/ViewerPreferences 1690 0 R>> Provide concrete sewer pipe less than 12 inches in diameter, and in other sizes, Note: The text must be edited to suit specific project requirements. True or false: The voids in a saturated soil are partly filled with water and partly filled with water. 8 in. Manufacturing and Trades >> VDOT - Certifications. The moisture content at which a soil can be compacted to its maximum dry density with the least amount of comparative effort is called the optimum moisture content. Block and gravel inlet Protection (Temporary) 6.52.1. 1.02 SUBMITTALS A. The above components are designed to perform three functions to aid in draining water from the pavement; these are: Intercept Collect Discharge Following is a general guide on the installation of underdrain/edge drain systems: 1) Excavate trench making sure the side walls are stable 2) Remove any sloughed materials from the trench 3) The dug out material is picked up with conveyor belt and loaded in trucks or piled on one side then picked up by a front end loader. Edit, 02150-1 of 6 SECTION 02150 REMOVAL OR ABANDONMENT OF EXISTING 02150.01 GENERAL A. This site uses cookies to enhance site navigation and personalize your experience. Geotechnical Design Parameters for Retaining Walls, Sound Barrier Walls and Non-Critical Slopes. 1 4 INSTALLATION OF PIPE AND TESTING OF PIPE BACKFILL LEARNING OUTCOMES Understand basic pipe and soil concepts and how they relate to preconstruction issues Understand fundamental trench concepts and pipe installation procedures Understand . 6.2 PIPE PVC gravity sewer pipe and fittings, SECTION 02400 - STORM DRAIN SYSTEM CONTENTS: Part 1 - General 1 1.01 Work Included 1 1.02 Related Requirements 1 1.03 Reference Standards 1 1.04 Quality Assurance 1 1.05 Measurement And. 57 stone MUST be capped with a minimum of 4 crusher run prior to placement of pipe or box culvert. Table of Contents, STANDARD SPECIFICATIONS FOR PRIVATE BUILDING SEWER LINES IN PUBLIC RIGHT-OF-WAY, STANDARD SPECIFICATIONS & CONSTRUCTION DETAILS MANUAL SECTION 5 - STORM DRAINAGE. 5.01 Design, PROJECT COST ESTIMATE ASSUMPTIONS AND EXCLUSIONS, SPECIFICATIONS FOR SEWER PIPE AND LINING INSERTION - TRENCHLESS; GENERAL GUIDELINES (As Provided by NASSCO), TECHNICAL NOTE Culvert Sliplining and Lining of Casings with HPPipe. Public Involvement Manual. VDOT Soils and Aggregate Compaction" Download Document. General: CONCRETE SEGMENTAL RETAINING WALL SYSTEM PART 1: GENERAL SPECIFICATIONS 1.01 Work Included A. 1 (do not test 1st lift) = 2) = 14 tests required per 300 (Answer) Pipe Testing Frequency Example 2: Pipe Diameter = 36 in. Upstream or down stream? 2e\o ngV10J6q`pp)|Hpm3@BF > endobj 298 0 obj <> endobj 299 0 obj <>stream If the inspection is conducted manually, the person performing the inspection may use a standard video camera or a digital camera to document any observed deficiencies. Milo Wade; 3 years ago ; Views: Transcription. If your certification expires this year, you must successfully complete all requirements for the certification by completing an instructor-led or self-study course and any proficiency in the same calendar year. The specific locations are shown on the plans. For more information about taking the . Verifying that the correct pipe has been delivered for the applications on your project. 129 0 obj <> endobj Specifications i. xZKs2>Ip P7[Sq9FoLLmJgl~K"5JtB2+!765nt-8\Gf._o{}E 2016v1.0 Chapter 4 14, 15 POST INSTALLATION INSPECTION The following is an excerpt from Virginia Test Method 123 Post Installation Inspection of Buried Storm Drain Pipe and Pipe Culverts covering the scope of post installation pipe inspection. MANHOLES 7-4 7.5. eG%\!9]y7WS{t m+zVjO!s[tG{y Q3@CJY1 9&. Screen the sample over a 3/4-inch sieve and replace the aggregate retained with an equal weight of No. Description 200-2 201 GENERAL 200-2 201.1 SPECIFICATIONS 200-2 201.2 CONNECTION TO EXISTING FACILITIES 200-3 202 MATERIALS 200-3 202.1 PIPES 200-4, VIDEO INSPECTION AND LASER DEFLECTION TESTING FOR POST CONSTRUCTION QC/QA SPECIFICATIONS AND MAINTENANCE INSPECTIONS BY JOHN FLECKENSTEIN PIPELINE AND DRAINAGE CONSULTANTS INTRODUCTION History Of Post, 601.1 601.2(a) SECTION 600 INCIDENTAL CONSTRUCTION SECTION 601 PIPE CULVERTS 601.1 DESCRIPTION This work is construction or reconstruction, inspection, and cleaning of pipe culverts; including subsurface, Model Specification 509 DRISCOPLEX 4200 and DRISCOPLEX 4300 Gravity Flow Sanitary Sewer The user may choose to adopt part or all of this Model Specification; however, the user should ensure that all parts, STANDARD SPECIFICATIONS SECTION 02701 INSTALLATION OF GRAVITY SEWER PIPELINES PART 1 - GENERAL A. PMO Instructional and Informational Memoranda. SCOPE Pipe subsoil drains shall be constructed in accordance with this specification and in conformity with the lines, grades and cross-sections shown, 402.02 Section 402. The video tape/dvd/digital photographs should be of such clarity, detail and resolution as to clearly show the conditions of the interior of the pipe/culvert and detect any defects within the pipe or culvert as specified herein. Computer-based testing (CBT) allows NICET to extend several benefits to our customers: more flexible exam dates and appointment times; immediate scheduling and confirmation; and quicker exam scoring. The goal shall be to collect, C PROJECT ESTIMATE ASSUMPTIONS AND EXCLUSIONS In support of the alternatives development process, preliminary cost estimates were prepared for each of the three Candidate Build Alternatives. Description This section includes materials, testing, and installation of precast concrete, SIENA STONE GRAVITY RETAINING WALL INSTALLATION SPECIFICATIONS Prepared by Risi Stone Systems Used by permission. A. FOUNDATIONS STEPS TO CONSTRUCTING A MOISTURE-RESISTANT FOUNDATION Build a Better Home Details are critical when constructing a sound building foundation that will withstand water and control dampness. stream Use units conforming to the dimensions, SECTION 33 05 16.13 PRECAST CONCRETE PART 1 - GENERAL 1.01 SECTION INCLUDES A. This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. This website includes hyperlinks to sites neither controlled nor sponsored by VDOT or the Commonwealth of Virginia. Locally Administered Projects Manual Updates and Materials Quality Assurance Plan Requirements May 11, 2015. Refer to VDOT Road and Bridge Specifications, Section Procedures (d) Post Installation Inspection for detail requirements and remediation procedures. VDOT Soils and Aggregate Compaction: Chapter 2. In addition, two app roaches, soil compaction, and optimal workability are suzanna_gevorgyan. If it is a routine entrance, or crossover pipe 12 to 30 in diameter, that is to be installed under fills 15 feet or less in height, no exploration is needed. At the engineer of record's. % Concrete Field 1. Drainage Manual. 6) The tolerance on the optimum moisture content at which aggregate must be compacted is 2 percentage points. 11) Pipe openings in precast drainage structures shall not exceed the outside cross sectional dimensions of the pipe by more than how much? Provide, SUBDRAINS AND FOOTING DRAIN COLLECTORS PART 1 - GENERAL 1.01 SECTION INCLUDES A. Subdrains B. Subdrain Cleanouts and Outlets C. Footing Drain Collectors D. Storm Sewer Service and Connections 1.02 DESCRIPTION, Page 1 of 7 STONE STRONG SYSTEMS SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised ) PART 1: GENERAL 1.01 Description A. # u Study with Quizlet and memorize flashcards containing terms like What are the three differences between the AASHTO T-99 and AASHTO T-180?, How many layers of soil are required to make a standard proctor mold? 2016v1.0 Chapter 4 16, 17 PAVEMENT DRAINS Pavement subsurface drainage is essential in obtaining a well performing pavement, whether it is flexible, rigid or composite. SECTION 9.02 BUILDING SUBSURFACE DRAINS (PERIMETER, ETC. SECTION 02530 STORM DRAINAGE STRUCTURES. This section covers the installation and testing of all sewer pipe furnished under the following specification sections: Concrete, SPECIFICATION FOR PIPE SUBSOIL DRAIN CONSTRUCTION 1. 1103 POINT REPAIRS AND OBSTRUCTION REMOVALS, Storm Sewer Trenchless Upgrade Alternatives and Recommendations, SECTION 32 14 13.19 PERMEABLE INTERLOCKING CONCRETE PAVEMENT (1995 MasterFormat Section 02795). What is compaction? 57 stone can be used as a backfill in the sub foundation. 18) What is the minimum amount of cover over pipe to prevent damage from construction loads? hb```f````2X@( [ $ Links may open in a new window. 55 terms. One (1) copy of application and four (4) copies of plans are hereby made to the Director of Public Works, SECTION 02612 PART 1 GENERAL 1.1 SUMMARY A. SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 11/5/13), Stormwater/Wetland Pond Construction Inspection Checklist. Shop drawings, 6.01 SCOPE The work covered by this section of the specifications consists of the furnishing of all plant, labor, materials, equipment and supervision and performing all operations involved in the construction, SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES A. Rigid pipe properly fitted, sealed with rubber, preformed plastic, mastic gaskets Flexible Pipe properly aligned and joined with approved coupling bands Joint Performance Terminology Soil Tight: A joint that is resistant to infiltration of particles larger than those retained on the No. Bethel Township Municipal Authority (BTMA) RESIDENTIAL SEWER CONNECTION MANUAL. materials (soils, aggregate and asphalt) in the field, the Geotechnical firm shall be responsible for the continuous monitoring of the placement and compaction of aggregate base materials, asphalt concrete pavement and the placement and compaction of earthwork and backfill of trenches and structures to ensure compliance with the Specifications. Manhole Backfill Frequency Example: Depth of Backfill = 9 feet Depth of Backfill (ft.) 5 ft. = Depth of Backfill below top 5 feet 1) 9 ft. 5 ft. = 4 ft. 2) 4 ft. x 3 lifts/ft. 282 0 obj <> endobj Importance to Maintenance & Water Quality. 0 In a flexible pipe this zone must protect the pipe from distortions due to loading extend to 12 above pipe.